Fractional HP Clutches/Brakes
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Warner Electric

Warner Electric clutches and brakes are
designed to start and stop inertial loads
when the voltage is turned on. When DC
voltage is applied to the coil, the magnetic
force caused by the magnetic flux pulls
the armature across the air gap against
the force of the zero-backlash spring
attached to the armature. The mating of
the armature and rotor face transmit
torque.

When DC voltage is interrupted, the
magnetic field collapses, and the zerobacklash
spring retracts the armature from
the rotor face. There is no residual torque
produced.

SFPB Series

SFPB Series provides a clutch (SF) and brake (PB) combination for use with pulley or sprocket input. The clutch and brake are mounted back-to-back with a torque arm to provide for simplicity of mounting.

SFPBC Series

SFPBC Series provides a clutch coupling (SFC) and brake (PB) combination for coupling two in-line shafts. The clutch coupling and brake are mounted back-to-back with a torque arm to provide for simplicity of mounting.